“Living tissue over metal endoskeleton.”
:-)
Of course, you have to appreciate the series’s rationale:
Things that can go back in time: metal endoskeletons, computer chips, liquid metal, robots with rocket launcher arms, small nuclear devices.
Things that cannot: a gun, clothing.
The ultimate BAD ROBOT:
http://www.youtube.com/watch?v=qN1z_Z-zzMk
http://www.youtube.com/watch?v=4R-aDUVgV4s&feature=related